This item makes a captivating demonstration for all ages! The Pendulum Wave Demo simulates phases, beats, and frequencies. It features a stand with nine (9) 0.88″ (22 mm) steel ball pendulums and comes with an initiator stick, which helps to simultaneously release all pendulums. When released, the pendulums will swing back and forth to quickly form a wave pattern and then cycle through different phases. This product is great for a classroom, as a gift, or for display.
• Comes with a Teacher’s Guide
• Flat packaging
• Comes unassembled. Easy assembly in minutes